<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>图片高清显示</title>
    <style>
        *{
            margin:0;
            padding:0;
        }
        #box{
            width:200px;
            height: 200px;
        }

        #box2{
            width:200px;
            height: 200px;
        }

        #box3{
            width:200px;
            height: 200px;
        }
    </style>
</head>
<body>
    <div id="box">
        <img width="100%" src="./image/logo.png" alt="">
    </div>

    <div id="box2">
        <img width="100%" src="./image/logo@2x.png" alt="">
    </div>

    <div id="box3">
        <img width="100%" src="./image/logo@3x.png" alt="">
    </div>

    <script>
        //图片要想高清显示, 满足一个条件
        // 一个位图像素要对应一个物理像素



    </script>
</body>
</html>